You can define as many credentials as you want under the Easy Integrations Menu > Settings > Credentials app menu item.

The general rule of thumb to define credentials globally in the app scope is reusability. This way, you won't need to change all usernames/passwords that are used in post functions when the credential changes.

There are four Credential Types that you can define:

  1. Basic 
  2. Bearer
  3. Oauth
  4. Oauth2

You can create a new credential: